A country of southern Europe along the northeast Adriatic coast. It was settled by Croats in the 7th century, became a kingdom in the 10th century, and reached the height of its power in the 11th century before being conquered by Hungary in 1091. After the collapse of the Austro-Hungarian Empire in 1918, Croatia became a part of the Kingdom of Serbs, Croats, and Slovenes, which later became Yugoslavia. Croatia declared its independence from Yugoslavia in 1991.
The capital and largest city of Croatia on the Sava River in the north-central part of the country. Originally a Roman town, it came under the control of Hungary in the 13th century. During the 19th century the city was a center of Croatian nationalism, and it became the capital of an autonomous Croatia within the kingdom of Hungary in 1868. Zagreb was a part of Yugoslavia from after World War I until 1991. Population: 867,717.